This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

An abandoned outdoor movie theater in the Sinai desert.

An alien landscape of chalk-rock in the Egyptian desert.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The world's only facility where orphaned mountain gorillas are cared for.

Home to pygmy hunter-gatherers, hundreds of animal and bird species, and the strange okapi, or forest giraffe.

This subterranean town of over 50 dwellings lies thirty feet beneath the Earth's surface.

Africa's Venice on stilts.

Morocco's Argania trees are infested with nut-hungry goats.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

Ornate limestone building now filled with geologic specimens, and more.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.